I.R.I.S. Readiris Corporate 12 for Windows User Guide - Manual (Page 124)

Chapter 18 – Recognizing business cards
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Select the latter option when using a flatbed scanner. Note that the
background must be black in order for Readiris to extract the various
business cards. To create a black background, scan cards with the
scanner lid open.
When you have forgotten to select Multiple Business Cards in a
Single Scan as document type, click the command Extract Business
Cards on the Process menu. The various business cards will be
extracted from the scanned image.
 When scanning business cards, first click the Scanner button to
make sure the scanner settings are correct.
Tip: select a scanning resolution of 400 to 500 dpi to recognize
business cards successfully.
 The necessary options are enabled by default: Readiris applies
Page Deskewing, Automatic Rotation and Page Analysis
automatically.
Click the Options button should you want to change the settings.
 Click the Open button to open a scanned business card.
 Or click the Scan button to scan a paper business card.
When you are using the IRISCard pro, the following dialog box will
open. Select the correct paper size, resolution and image type.